Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r130-smll-177955809100415.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is FlexibleBarrier-PT-16b, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r130-smll-177955809100415
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.4M
-rw-r--r-- 1 mcc users 6.2K Mar 7 05:52 CTLCardinality.txt
-rw-r--r-- 1 mcc users 63K Mar 7 05:52 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K Mar 7 05:52 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K Mar 7 05:52 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 10:14 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 10:14 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 15 10:14 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 10:14 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 7 05:52 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 137K Mar 7 05:52 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.4K Mar 7 05:52 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 48K Mar 7 05:52 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:14 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:14 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 945K Mar 3 18:30 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME FlexibleBarrier-PT-16b-ReachabilityFireability-2024-00
FORMULA_NAME FlexibleBarrier-PT-16b-ReachabilityFireability-2024-01
FORMULA_NAME FlexibleBarrier-PT-16b-ReachabilityFireability-2024-02
FORMULA_NAME FlexibleBarrier-PT-16b-ReachabilityFireability-2024-03
FORMULA_NAME FlexibleBarrier-PT-16b-ReachabilityFireability-2024-04
FORMULA_NAME FlexibleBarrier-PT-16b-ReachabilityFireability-2024-05
FORMULA_NAME FlexibleBarrier-PT-16b-ReachabilityFireability-2024-06
FORMULA_NAME FlexibleBarrier-PT-16b-ReachabilityFireability-2024-07
FORMULA_NAME FlexibleBarrier-PT-16b-ReachabilityFireability-2024-08
FORMULA_NAME FlexibleBarrier-PT-16b-ReachabilityFireability-2024-09
FORMULA_NAME FlexibleBarrier-PT-16b-ReachabilityFireability-2024-10
FORMULA_NAME FlexibleBarrier-PT-16b-ReachabilityFireability-2024-11
FORMULA_NAME FlexibleBarrier-PT-16b-ReachabilityFireability-2024-12
FORMULA_NAME FlexibleBarrier-PT-16b-ReachabilityFireability-2024-13
FORMULA_NAME FlexibleBarrier-PT-16b-ReachabilityFireability-2024-14
FORMULA_NAME FlexibleBarrier-PT-16b-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779912091812

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FlexibleBarrier-PT-16b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-27 20:01:34] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-27 20:01:34] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-27 20:01:35] [INFO ] Load time of PNML (sax parser for PT used): 530 ms
[2026-05-27 20:01:35] [INFO ] Transformed 3472 places.
[2026-05-27 20:01:35] [INFO ] Transformed 4001 transitions.
[2026-05-27 20:01:35] [INFO ] Found NUPN structural information;
[2026-05-27 20:01:35] [INFO ] Parsed PT model containing 3472 places and 4001 transitions and 10043 arcs in 808 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 19 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40000 steps (364 resets) in 3825 ms. (10 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 109 ms. (36 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 69 ms. (57 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 54 ms. (72 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 54 ms. (72 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 76 ms. (52 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 57 ms. (69 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4002 steps (8 resets) in 47 ms. (83 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 102 ms. (38 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 29 ms. (133 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 62 ms. (63 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 67 ms. (58 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 39 ms. (100 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 37 ms. (105 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 32 ms. (121 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 82 ms. (48 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 43 ms. (90 steps per ms) remains 16/16 properties
[2026-05-27 20:01:37] [INFO ] Flatten gal took : 800 ms
[2026-05-27 20:01:37] [INFO ] Flatten gal took : 372 ms
[2026-05-27 20:01:37] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5212148240695677884.gal : 160 ms
[2026-05-27 20:01:37] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7312519216733268901.prop : 5 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality5212148240695677884.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7312519216733268901.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality7312519216733268901.prop.
Interrupted probabilistic random walk after 91144 steps, run timeout after 3001 ms. (steps per millisecond=30 ) properties seen :0 out of 16
Probabilistic random walk after 91144 steps, saw 50067 distinct states, run finished after 3009 ms. (steps per millisecond=30 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17504988455706278011.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13254854757675503370.kers'
[2026-05-27 20:01:39] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17504988455706278011.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13254854757675503370.kers]
Culled 0 columns in 3 ms.
// Phase 1: matrix 4001 rows 3472 cols 10043 entries
Finished phase 1 with 3454 SingleSign rule and 0 generalized
[2026-05-27 20:01:39] [INFO ] Computed 18 invariants in 26 ms
Computed 18 P flows in 29 ms.
Exported basis to /tmp/petrispot-output-13254854757675503370.kers
Total runtime 34 ms.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/170 variables, 170/170 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/170 variables, 0/170 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 3302/3472 variables, 18/188 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/3472 variables, 3302/3490 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3472 variables, 0/3490 constraints. Problems are: Problem set: 0 solved, 16 unsolved
SMT process timed out in 5372ms, After SMT, problems are : Problem set: 0 solved, 16 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 170 out of 3472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3472/3472 places, 4001/4001 transitions.
Graph (trivial) has 2364 edges and 3472 vertex of which 32 / 3472 are part of one of the 5 SCC in 45 ms
Free SCC test removed 27 places
Drop transitions (Empty/Sink Transition effects.) removed 33 transitions
Reduce isomorphic transitions removed 33 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 540 transitions
Trivial Post-agglo rules discarded 540 transitions
Performed 540 trivial Post agglomeration. Transition count delta: 540
Iterating post reduction 0 with 540 rules applied. Total rules applied 541 place count 3445 transition count 3428
Reduce places removed 540 places and 0 transitions.
Performed 31 Post agglomeration using F-continuation condition.Transition count delta: 31
Iterating post reduction 1 with 571 rules applied. Total rules applied 1112 place count 2905 transition count 3397
Reduce places removed 31 places and 0 transitions.
Iterating post reduction 2 with 31 rules applied. Total rules applied 1143 place count 2874 transition count 3397
Performed 452 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 452 Pre rules applied. Total rules applied 1143 place count 2874 transition count 2945
Deduced a syphon composed of 452 places in 5 ms
Reduce places removed 452 places and 0 transitions.
Iterating global reduction 3 with 904 rules applied. Total rules applied 2047 place count 2422 transition count 2945
Discarding 1290 places :
Symmetric choice reduction at 3 with 1290 rule applications. Total rules 3337 place count 1132 transition count 1655
Iterating global reduction 3 with 1290 rules applied. Total rules applied 4627 place count 1132 transition count 1655
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 4 Pre rules applied. Total rules applied 4627 place count 1132 transition count 1651
Deduced a syphon composed of 4 places in 5 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 4635 place count 1128 transition count 1651
Discarding 171 places :
Symmetric choice reduction at 3 with 171 rule applications. Total rules 4806 place count 957 transition count 1480
Iterating global reduction 3 with 171 rules applied. Total rules applied 4977 place count 957 transition count 1480
Ensure Unique test removed 151 transitions
Reduce isomorphic transitions removed 151 transitions.
Iterating post reduction 3 with 151 rules applied. Total rules applied 5128 place count 957 transition count 1329
Performed 112 Post agglomeration using F-continuation condition.Transition count delta: 112
Deduced a syphon composed of 112 places in 1 ms
Reduce places removed 112 places and 0 transitions.
Iterating global reduction 4 with 224 rules applied. Total rules applied 5352 place count 845 transition count 1217
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 10 places in 2 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 4 with 20 rules applied. Total rules applied 5372 place count 835 transition count 1217
Free-agglomeration rule applied 115 times.
Iterating global reduction 4 with 115 rules applied. Total rules applied 5487 place count 835 transition count 1102
Reduce places removed 115 places and 0 transitions.
Iterating post reduction 4 with 115 rules applied. Total rules applied 5602 place count 720 transition count 1102
Drop transitions (Redundant composition of simpler transitions.) removed 17 transitions
Redundant transition composition rules discarded 17 transitions
Iterating global reduction 5 with 17 rules applied. Total rules applied 5619 place count 720 transition count 1085
Partial Free-agglomeration rule applied 7 times.
Drop transitions (Partial Free agglomeration) removed 7 transitions
Iterating global reduction 5 with 7 rules applied. Total rules applied 5626 place count 720 transition count 1085
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 5 with 1 rules applied. Total rules applied 5627 place count 720 transition count 1085
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 5 with 1 rules applied. Total rules applied 5628 place count 719 transition count 1084
Applied a total of 5628 rules in 2193 ms. Remains 719 /3472 variables (removed 2753) and now considering 1084/4001 (removed 2917) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2229 ms. Remains : 719/3472 places, 1084/4001 transitions.
RANDOM walk for 40000 steps (736 resets) in 2515 ms. (15 steps per ms) remains 15/16 properties
FORMULA FlexibleBarrier-PT-16b-ReachabilityFireability-2024-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 14/15 properties
FORMULA FlexibleBarrier-PT-16b-ReachabilityFireability-2024-01 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 14/14 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 14/14 properties
BEST_FIRST walk for 4003 steps (8 resets) in 26 ms. (148 steps per ms) remains 14/14 properties
BEST_FIRST walk for 4003 steps (8 resets) in 33 ms. (117 steps per ms) remains 14/14 properties
BEST_FIRST walk for 4002 steps (8 resets) in 10 ms. (363 steps per ms) remains 14/14 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 14/14 properties
BEST_FIRST walk for 4004 steps (8 resets) in 7 ms. (500 steps per ms) remains 14/14 properties
BEST_FIRST walk for 4004 steps (8 resets) in 31 ms. (125 steps per ms) remains 14/14 properties
BEST_FIRST walk for 4003 steps (8 resets) in 15 ms. (250 steps per ms) remains 14/14 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 14/14 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 14/14 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 14/14 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 14/14 properties
[2026-05-27 20:01:48] [INFO ] Flow matrix only has 1068 transitions (discarded 16 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12090808608946453695.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1218278071538256218.kers'
[2026-05-27 20:01:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12090808608946453695.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1218278071538256218.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 1068 rows 719 cols 3412 entries
Finished phase 1 with 701 SingleSign rule and 0 generalized
[2026-05-27 20:01:48] [INFO ] Computed 18 invariants in 7 ms
Computed 18 P flows in 8 ms.
Exported basis to /tmp/petrispot-output-1218278071538256218.kers
Total runtime 9 ms.
[2026-05-27 20:01:48] [INFO ] State equation strengthened by 1 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/150 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 569/719 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/719 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 14 unsolved
SDD proceeding with computation,16 properties remain. new max is 4
SDD size :1 after 5
At refinement iteration 3 (OVERLAPS) 1068/1787 variables, 719/737 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1787 variables, 1/738 constraints. Problems are: Problem set: 0 solved, 14 unsolved
SDD proceeding with computation,16 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,16 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,16 properties remain. new max is 32
SDD size :19 after 56
SDD proceeding with computation,16 properties remain. new max is 64
SDD size :56 after 1616
SDD proceeding with computation,16 properties remain. new max is 128
SDD size :1616 after 64055
SDD proceeding with computation,16 properties remain. new max is 256
SDD size :64055 after 1.02466e+08
SDD proceeding with computation,16 properties remain. new max is 512
SDD size :1.02466e+08 after 2.62312e+14
At refinement iteration 5 (INCLUDED_ONLY) 0/1787 variables, 0/738 constraints. Problems are: Problem set: 0 solved, 14 unsolved
SDD proceeding with computation,16 properties remain. new max is 1024
SDD size :2.62312e+14 after 4.62005e+25
At refinement iteration 6 (OVERLAPS) 0/1787 variables, 0/738 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1787/1787 variables, and 738 constraints, problems are : Problem set: 0 solved, 14 unsolved in 6518 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 719/719 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 14/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 14 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/150 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 569/719 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/719 variables, 10/28 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/719 variables, 6/34 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/719 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (OVERLAPS) 1068/1787 variables, 719/753 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1787 variables, 1/754 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1787 variables, 10/764 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1787 variables, 1/765 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1787 variables, 2/767 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1787 variables, 0/767 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 11 (OVERLAPS) 0/1787 variables, 0/767 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1787/1787 variables, and 767 constraints, problems are : Problem set: 0 solved, 14 unsolved in 30603 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 719/719 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 14/10 constraints, Known Traps: 19/19 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 37208ms problems are : Problem set: 0 solved, 14 unsolved
FORMULA FlexibleBarrier-PT-16b-ReachabilityFireability-2024-00 FALSE TECHNIQUES PARIKH_WALK
FORMULA FlexibleBarrier-PT-16b-ReachabilityFireability-2024-06 TRUE TECHNIQUES PARIKH_WALK
FORMULA FlexibleBarrier-PT-16b-ReachabilityFireability-2024-13 TRUE TECHNIQUES PARIKH_WALK
FORMULA FlexibleBarrier-PT-16b-ReachabilityFireability-2024-12 FALSE TECHNIQUES PARIKH_WALK
FORMULA FlexibleBarrier-PT-16b-ReachabilityFireability-2024-03 TRUE TECHNIQUES PARIKH_WALK
FORMULA FlexibleBarrier-PT-16b-ReachabilityFireability-2024-04 TRUE TECHNIQUES PARIKH_WALK
FORMULA FlexibleBarrier-PT-16b-ReachabilityFireability-2024-15 TRUE TECHNIQUES PARIKH_WALK
FORMULA FlexibleBarrier-PT-16b-ReachabilityFireability-2024-08 TRUE TECHNIQUES PARIKH_WALK
FORMULA FlexibleBarrier-PT-16b-ReachabilityFireability-2024-10 FALSE TECHNIQUES PARIKH_WALK
FORMULA FlexibleBarrier-PT-16b-ReachabilityFireability-2024-11 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 10 properties in 4342 ms.
Support contains 66 out of 719 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 719/719 places, 1084/1084 transitions.
Graph (trivial) has 239 edges and 719 vertex of which 14 / 719 are part of one of the 6 SCC in 2 ms
Free SCC test removed 8 places
Drop transitions (Empty/Sink Transition effects.) removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 16 transitions
Trivial Post-agglo rules discarded 16 transitions
Performed 16 trivial Post agglomeration. Transition count delta: 16
Iterating post reduction 0 with 16 rules applied. Total rules applied 17 place count 711 transition count 1054
Reduce places removed 16 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 17 rules applied. Total rules applied 34 place count 695 transition count 1053
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 35 place count 694 transition count 1053
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 12 Pre rules applied. Total rules applied 35 place count 694 transition count 1041
Deduced a syphon composed of 12 places in 1 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 3 with 24 rules applied. Total rules applied 59 place count 682 transition count 1041
Discarding 45 places :
Symmetric choice reduction at 3 with 45 rule applications. Total rules 104 place count 637 transition count 996
Iterating global reduction 3 with 45 rules applied. Total rules applied 149 place count 637 transition count 996
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 150 place count 637 transition count 995
Performed 28 Post agglomeration using F-continuation condition.Transition count delta: 28
Deduced a syphon composed of 28 places in 1 ms
Reduce places removed 28 places and 0 transitions.
Iterating global reduction 4 with 56 rules applied. Total rules applied 206 place count 609 transition count 967
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 209 place count 609 transition count 964
Discarding 27 places :
Symmetric choice reduction at 5 with 27 rule applications. Total rules 236 place count 582 transition count 937
Iterating global reduction 5 with 27 rules applied. Total rules applied 263 place count 582 transition count 937
Ensure Unique test removed 27 transitions
Reduce isomorphic transitions removed 27 transitions.
Iterating post reduction 5 with 27 rules applied. Total rules applied 290 place count 582 transition count 910
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 17 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 292 place count 581 transition count 909
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 6 with 6 rules applied. Total rules applied 298 place count 581 transition count 903
Free-agglomeration rule applied 108 times.
Iterating global reduction 6 with 108 rules applied. Total rules applied 406 place count 581 transition count 795
Reduce places removed 108 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 6 with 111 rules applied. Total rules applied 517 place count 473 transition count 792
Discarding 16 places :
Symmetric choice reduction at 7 with 16 rule applications. Total rules 533 place count 457 transition count 776
Iterating global reduction 7 with 16 rules applied. Total rules applied 549 place count 457 transition count 776
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 7 with 16 rules applied. Total rules applied 565 place count 457 transition count 760
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 8 with 6 rules applied. Total rules applied 571 place count 457 transition count 754
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 8 with 2 rules applied. Total rules applied 573 place count 457 transition count 754
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 8 with 1 rules applied. Total rules applied 574 place count 457 transition count 754
Applied a total of 574 rules in 509 ms. Remains 457 /719 variables (removed 262) and now considering 754/1084 (removed 330) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 509 ms. Remains : 457/719 places, 754/1084 transitions.
RANDOM walk for 40000 steps (404 resets) in 499 ms. (80 steps per ms) remains 3/4 properties
FORMULA FlexibleBarrier-PT-16b-ReachabilityFireability-2024-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 89 ms. (444 steps per ms) remains 2/3 properties
FORMULA FlexibleBarrier-PT-16b-ReachabilityFireability-2024-02 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (38 resets) in 259 ms. (153 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (41 resets) in 287 ms. (138 steps per ms) remains 2/2 properties
[2026-05-27 20:02:30] [INFO ] Flow matrix only has 732 transitions (discarded 22 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9458517891757210170.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7588457453303677773.kers'
[2026-05-27 20:02:30] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9458517891757210170.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7588457453303677773.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 732 rows 457 cols 2186 entries
Finished phase 1 with 439 SingleSign rule and 0 generalized
[2026-05-27 20:02:30] [INFO ] Computed 18 invariants in 4 ms
Computed 18 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-7588457453303677773.kers
Total runtime 6 ms.
[2026-05-27 20:02:30] [INFO ] State equation strengthened by 1 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 396/450 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/450 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 731/1181 variables, 450/467 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1181 variables, 1/468 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1181 variables, 0/468 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 8/1189 variables, 7/475 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1189 variables, 1/476 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1189 variables, 0/476 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/1189 variables, 0/476 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1189/1189 variables, and 476 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1000 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 457/457 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 396/450 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/450 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/450 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/450 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 731/1181 variables, 450/470 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1181 variables, 1/471 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1181 variables, 0/471 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 8/1189 variables, 7/478 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1189 variables, 1/479 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1189 variables, 0/479 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/1189 variables, 0/479 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1189/1189 variables, and 479 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1590 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 457/457 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2623ms problems are : Problem set: 0 solved, 2 unsolved
FORMULA FlexibleBarrier-PT-16b-ReachabilityFireability-2024-07 FALSE TECHNIQUES PARIKH_WALK
Finished Parikh walk after 29 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=29 )
FORMULA FlexibleBarrier-PT-16b-ReachabilityFireability-2024-09 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 2 properties in 54 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 59165 ms.

BK_STOP 1779912153543

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="FlexibleBarrier-PT-16b"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5973"
echo " Executing tool itstools"
echo " Input is FlexibleBarrier-PT-16b, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r130-smll-177955809100415"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-16b.tgz
mv FlexibleBarrier-PT-16b execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "ReachabilityFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;